#include <iostream>
#include <cmath>
using namespace std;
typedef long long ll;
int main(){
ll a, b, c;
cin >> a >> b >> c;
cout << max(a, max(b,c));
}
#include <iostream>
#include <cmath>
using namespace std;
typedef long long ll;
int main(){
ll a, b, c;
cin >> a >> b >> c;
cout << max(a, max(b,c));
}